AcelRx Pharmaceuticals, Inc. is a specialized biopharmaceutical firm primarily dedicated to advancing and bringing to market medical solutions for managing acute pain. The company's key commercial products include DSUVIA and DZUVEO, which are 30 microgram sufentanil tablets administered under the tongue, intended for treating significant short-term pain. AcelRx also develops ZALVISO, a pre-programmed, patient-managed analgesia system that enables hospital patients experiencing moderate-to-severe acute pain to self-administer sufentanil sublingual tablets for their pain relief.